Use simple-dotenv to load variables

Author: david22swan

.github/workflows/mend.yml

@@ -27,6 +27,12 @@ jobs:
         run: |
           source "${{ github.action_path }}/pdk-release.env"
 
+      - name: Load .env file
+        uses: xom9ikk/[email protected]
+        with:
+          path: ./pdk-release.env
+          load-mode: strict
+
       - name: Output release status and a link to the current build
         run: |
           echo ${{ env.PDK_RELEASE_TYPE }}